Mazda CX-9 Grand Touring. Manual - part 537

DTC B267B [POWER LIFTGATE (PLG) SYSTEM] 

DTC B267B - DETECTION CONDITION POSSIBLE CAUSE CHART 



Is the wiring harness normal?  

2

INSPECT WIRING HARNESS BETWEEN 
LIFTGATE LATCH AND LOCK 
ACTUATOR AND BODY GROUND  



Inspect the wiring harness between 
liftgate latch and lock actuator terminal C 
and body ground for an open circuit.  



Is the wiring harness normal?  

Yes

Replace the liftgate latch and lock actuator. 
(See LIFTGATE LATCH AND LOCK 
ACTUATOR 
REMOVAL/INSTALLATION .)

No

Repair or replace the wiring harness. 

Go to the next step.

3

VERIFY CORRECTION COMPLETED  



Reconnect the disconnected connector.  



Clear the DTC.  



Operate the PLG system. (Open 
operation)  



Is DTC B267A stored?  

Yes

Replace the PLG control module. 
(See POWER LIFTGATE (PLG) 
CONTROL MODULE 
REMOVAL/INSTALLATION .)

No

DTC troubleshooting completed.

DTC B267B

Full latch switch circuit malfunction

DETECTION 

CONDITION 

A short circuit to the ground system in the wiring harness between the liftgate latch 
and lock actuator and PLG control module.

POSSIBLE CAUSE 



Short to GND in wiring harness between PLG control module terminal 3G and 
liftgate latch and lock actuator terminal D  



Full latch switch malfunction  



PLG control module malfunction  

 

2008 Mazda CX-9 Grand Touring 

2008 BODY & ACCESSORIES On-Board Diagnostic (Power Liftgate (PLG) System) - Mazda CX-9

  

Microsoft 

 

Sunday, November 15, 2009 10:46:08 AM

Page 24 

© 2005 Mitchell Repair Information Company, LLC. 

DIAGNOSTIC PROCEDURE 

DTC B267B - DIAGNOSTIC PROCEDURE 

STEP

INSPECTION

ACTION

1

INSPECT WIRING HARNESS 
BETWEEN PLG CONTROL UNIT AND 
LIFTGATE LATCH AND LOCK 
ACTUATOR  



Disconnect the PLG control module 
connector.  



Disconnect the liftgate latch and lock 
actuator connector.  



Inspect the wiring harness between PLG 
control module terminal 3G and liftgate 
latch and lock actuator terminal D for a 
short circuit to ground system.  

Yes

Replace the liftgate latch and lock actuator. 
(See LIFTGATE LATCH AND LOCK 
ACTUATOR 
REMOVAL/INSTALLATION .) 
Go to the next step.

No

Repair or replace the wiring harness. 

 

2008 Mazda CX-9 Grand Touring 

2008 BODY & ACCESSORIES On-Board Diagnostic (Power Liftgate (PLG) System) - Mazda CX-9

  

Microsoft 

 

Sunday, November 15, 2009 10:46:08 AM

Page 25 

© 2005 Mitchell Repair Information Company, LLC. 

DTC B267C [POWER LIFTGATE (PLG) SYSTEM] 

DTC B267C - DETECTION CONDITION POSSIBLE CAUSE CHART 



Is the wiring harness normal?  

Go to the next step.

2

VERIFY CORRECTION COMPLETED  



Reconnect the disconnected connector.  



Clear the DTC.  



Operate the PLG system. (Close 
operation)  



Is DTC B267B stored?  

Yes

Replace the PLG control module. 
(See POWER LIFTGATE (PLG) 
CONTROL MODULE 
REMOVAL/INSTALLATION .)

No

DTC troubleshooting completed.

DTC B267C

Return switch circuit malfunction

DETECTION 

CONDITION 

The voltage input to the return switch does not change while the PLG system is 
operating.

POSSIBLE CAUSE 



Open circuit in wiring harness between PLG control module terminal 3E and 
liftgate latch and lock actuator terminal E  



Short to power supply in wiring harness between PLG control module terminal 
3E and liftgate latch and lock actuator terminal E  



Short to GND in wiring harness between PLG control module terminal 3E and 
liftgate latch and lock actuator terminal E  



Open circuit in wiring harness between liftgate latch and lock actuator terminal C
and body GND  



Return switch malfunction  



PLG control module malfunction  

 

2008 Mazda CX-9 Grand Touring 

2008 BODY & ACCESSORIES On-Board Diagnostic (Power Liftgate (PLG) System) - Mazda CX-9

  

Microsoft 

 

Sunday, November 15, 2009 10:46:08 AM

Page 26 

© 2005 Mitchell Repair Information Company, LLC. 

DIAGNOSTIC PROCEDURE 

DTC B267C - DIAGNOSTIC PROCEDURE 

STEP

INSPECTION

ACTION

1

INSPECT WIRING HARNESS 
BETWEEN PLG CONTROL UNIT AND 
LIFTGATE LATCH AND LOCK 
ACTUATOR  



Disconnect the PLG control module 
connector.  



Disconnect the liftgate latch and lock 
actuator connector.  



Inspect the wiring harness between 
PLG control module terminal 3E and 
liftgate latch and lock actuator terminal 
E for an open circuit.  

Yes Go to the next step.

No

Repair or replace the wiring harness. 

Go to Step 3.

 

2008 Mazda CX-9 Grand Touring 

2008 BODY & ACCESSORIES On-Board Diagnostic (Power Liftgate (PLG) System) - Mazda CX-9

  

Microsoft 

 

Sunday, November 15, 2009 10:46:08 AM

Page 27 

© 2005 Mitchell Repair Information Company, LLC.